方波电压激励下感应电动机定子绕组短路的瞬态仿真

Transient Analysis on Stator Winding Short-circuit of Three-phase Induction Motor Under Square Voltage Source

该文根据三相感应电动机在αβo坐标系下的数学模型和开关式电压源逆变器数学模型 ,考虑具体定子绕组接线的不对称情况 ,推导出电机定子端电压的约束条件。编写了一个适合于三相感应电动机对称和定子不对称运行情况的实用仿真计算程序 ,通过实例对定子Y形接法三相感应电动机的定子单相短路和两相短路时的运行过程进行仿真计算 ,并对仿真结果进行分析。

This paper works out simulation program according to mathematical model of induction motor in αβО coordinates and voltage source inverter. The program is applied to simulate two kinds of typical faults operating process of three-phase induction motor with stator one phase short-circuit and stator two phase short-circuit through a real calculation example and simulated results are also analyzed here.